From 3bdf613a45841156146375383a026d94f0d9b136 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 12 May 2016 23:35:20 +0000
Subject: [PATCH] defines.h: avoid redefinition

* include/ruby/defines.h (GCC_VERSION_SINCE): get rid of
  re-definition.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54990 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 include/ruby/defines.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/ruby/defines.h b/include/ruby/defines.h
index dc1df7545a..993caf0479 100644
--- a/include/ruby/defines.h
+++ b/include/ruby/defines.h
@@ -46,12 +46,14 @@ extern "C" {
 # define NOINLINE(x) x
 #endif
 
+#ifndef GCC_VERSION_SINCE
 #define GCC_VERSION_SINCE(major, minor, patchlevel) \
   (defined(__GNUC__) && !defined(__INTEL_COMPILER) && !defined(__clang__) && \
    ((__GNUC__ > (major)) ||  \
     ((__GNUC__ == (major) && \
       (__GNUC_MINOR__ > (minor)) || \
       (__GNUC_MINOR__ == (minor) && __GNUC_PATCHLEVEL__ >= (patchlevel))))))
+#endif
 
 /* likely */
 #if __GNUC__ >= 3